139431e47SRoman Lebedev //===--- NoIntToPtrCheck.cpp - clang-tidy ---------------------------------===// 239431e47SRoman Lebedev // 339431e47SRoman Lebedev // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 439431e47SRoman Lebedev // See https://llvm.org/LICENSE.txt for license information. 539431e47SRoman Lebedev // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 639431e47SRoman Lebedev // 739431e47SRoman Lebedev //===----------------------------------------------------------------------===// 839431e47SRoman Lebedev 939431e47SRoman Lebedev #include "NoIntToPtrCheck.h" 1039431e47SRoman Lebedev #include "clang/AST/ASTContext.h" 1139431e47SRoman Lebedev #include "clang/ASTMatchers/ASTMatchFinder.h" 1239431e47SRoman Lebedev 1339431e47SRoman Lebedev using namespace clang::ast_matchers; 1439431e47SRoman Lebedev 15*7d2ea6c4SCarlos Galvez namespace clang::tidy::performance { 1639431e47SRoman Lebedev registerMatchers(MatchFinder * Finder)1739431e47SRoman Lebedevvoid NoIntToPtrCheck::registerMatchers(MatchFinder *Finder) { 1839431e47SRoman Lebedev Finder->addMatcher(castExpr(hasCastKind(CK_IntegralToPointer), 1939431e47SRoman Lebedev unless(hasSourceExpression(integerLiteral()))) 2039431e47SRoman Lebedev .bind("x"), 2139431e47SRoman Lebedev this); 2239431e47SRoman Lebedev } 2339431e47SRoman Lebedev check(const MatchFinder::MatchResult & Result)2439431e47SRoman Lebedevvoid NoIntToPtrCheck::check(const MatchFinder::MatchResult &Result) { 2539431e47SRoman Lebedev const auto *MatchedCast = Result.Nodes.getNodeAs<CastExpr>("x"); 2639431e47SRoman Lebedev diag(MatchedCast->getBeginLoc(), 2739431e47SRoman Lebedev "integer to pointer cast pessimizes optimization opportunities"); 2839431e47SRoman Lebedev } 2939431e47SRoman Lebedev 30*7d2ea6c4SCarlos Galvez } // namespace clang::tidy::performance 31